.fade-motion($className, $keyframeName) {
  .make-motion($className, $keyframeName);
  .#{$className}-enter,
  .#{$lassName}-appear {
    opacity: 0;
    animation-timing-function: linear;
  }
  .#{$className}-leave {
    animation-timing-function: linear;
  }
}

.fade-motion("fade", "antFade");

@keyframes antFadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

@keyframes antFadeOut {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}
